boehme



(No Model.) 3 Sheets-Shet 1.

O. L. BOEI-IME.

TRANSOM LIFTER.

No. 483,597. Patented Oct. 4, 1892.

(No Model.) 3 Sheets-Sheet 2.

G. L. BOEHME. TRANSOM LIFTER Patented 001;. 4, 1892.

(N0 Model.) 3 SheetsSheet 3. O; L. BOEHME.

TRANSOM LIFTER.

No. 483,597. Patented Oct. 4, 1892.

"m: News warms co.,' mmwqrmm, msmucrou, a. c.

UNITED STATES PATENT OFFICE.

CARL LEBEREOIIT BOEHME, OF DRESDEN, GERMANY.

TRANSOM-LIFTER.

SPECIFICATION forming part of Letters Patent No. 483,597, dated October 4, 1892. Application filed April 30, 1892- Serial No. 431,227. (No model.)

To all whom it may concern.-

Be it known that I, CARL Lnnnnnonr BOEHME, a subject of the King of Saxony, residing at Dresden, Saxony, German Empire, have invented certain new and useful Improvements in Mechanism for Moving Turning Sashes, (for which I have made application for Letters Patent in Austria-Hungary on the 14th day of March, 1892,) of which the following is a specification.

The object of this invention is to provide a device whereby an unskilled person may readily open or close from below the upper leaves or sashes of windows, no matter whether they swing on vertical or horizontal hinges. This ventilating arrangement is mainly applicable to single or double casement windows, and in the case of double windows the two ventilating frames or leaves may be so arranged that in closing or opening the inner one engages the outer one, or vice versa.

The accompanying drawings show some of the forms in which this invention may be carried out.

Figures 1. and 2 are respectively a sectional side elevation and a front elevation of part of a single window the upper frame or leaf a of which is adapted to swing upon horizontal pivots or hinges b b. Figs. 3 and 4 are corresponding views of a similar window, but

in which the upper part or leaf 0 is arranged to turn on vertical hinges. Fig. 5 is a front view, and Fig. 6 a sectional elevation, of a double or folding window with the upper leaf arranged to swing upon a horizontal pivot.

In the arrangement shown in Figs. 1 and 2 a rod or spindle cl is horizontally arranged upon the frame and carries an arm e, with which engages a link f. At the opposite end of the rod d there is another arm g, connected with the rod h. When this rod his raised, the arm e, by means of the linkf, draws the leaf or. of the window toward the frame or shaft. When moved in the opposite direction, it causes the said leaf to move away from the frame and consequently the window to be opened for ventilating.

In the arrangement shown in Figs. 8 andl the link f is replaced by a slide 2', provided upon the leaf 0. of the window and in which is adapted to slide the arm 6. By operating the rod h the leaf swinging on vertical hinges is opened or closed, as required.

In Figs. 5 and 6 a slide 1 is also employed for operating the outer leaf k. The inner leaf It is connected with the outer leaf is by means of a link n, interposed between the slide land a bracket or eye m, attached to 75.

The operating device now to be described applies to all these arrangements. With the end of the rod h is connected a lever 0, secured to the window-frame. By moving this lever either into the upward or the downward position the rod h is correspondingly raised or lowered. In both cases there is a deadpoint to overcome, so that if the rod had any tendency to shift its position it would first have to make a movement in the opposite direction. As, however, the distance between the spindle d and the pivot or fulcrum of the lever o is so proportioned that in either terminal position the link or rod is somewhat strained, any danger of an accidental shifting of the parts from the desired position, either by the weight of the leaves or sashes or under the pressure of the wind, is effectively avoided. If preferred, the same purpose may be attained by screwing or otherwise fixing the lever in the extreme positions against its bracket or bearing, or the rod may be secured to the window-sash direct and the lever omitted.

I claim' 1. The combination, with a hinged or pivoted sash or leaf of a window, of a verticallyarranged rod adapted for vertical movement, as described, a horizontally-arranged rod pivoted to the window-frame and provided with a cranked portion at one end, pivotally connected to the upper end of the vertical rod, an arm connected with the other end of the horizontal rod, means located intermediate the said arm and the pivoted sash and loosely connecting the two and adapted to cause the turning of the sash when the said arm is 0perated, and an operating-lever o, pivoted at one end to the window-frame, and to which lever intermediate its ends is pivoted the lower end of the vertically-movable rod, said lever being adapted to be swung downwardly and upwardly, as described, to effect the turning of the sash and form a lock for the vertical rod when in either position to prevent ac- IOC cidental turning of the sash in the manner end to the first arm and at its lower end to described. n the frame of the movable sash, as and for the 2. The combination, with a hinged or pivpurpose specified. oted sash or leaf of a Window, of a vertically- In testimony whereof I have hereto set my 15 5 arranged rod adapted for vertical movement, hand in the presence of the two subscribing as described, a horizontally-arranged rod piv- Witnesses.

oted to the Window-frame and provided at one CARL LEBEREOHT BOEHME. end with a cranked portion connected pivot- Witnesses: ally to the upper end of the vertical rod, an OTTO W'OLFF,

1o arm connected to the other end of the hori- HUGO DUMMER,

zontal rod, and a second arm pivoted. at one Both of Dresden. 

